Home / 103,633.82-143,004.46-58,310.80

Finding the Fourth Proportional to 103,633.82, 143,004.46 and 58,310.80

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Solution

The fourth proportional to 103,633.82, 143,004.46 and 58,310.80 is: 80,463.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,633.82 : 143,004.46 = 58,310.80 : x
  2. Step 2: Convert to fraction form
    103,633.82/143,004.46 = 58,310.80/x
  3. Step 3: Cross multiply
    103,633.82x = 143,004.46 × 58,310.80
  4. Step 4: Simplify right side
    103,633.82x = 8,338,704,466.17
  5. Step 5: Solve for x
    x = 8,338,704,466.17/103,633.82
  6. Step 6: Final answer
    x = 80,463.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.